
Warm Audio WA-MPX Tube Microphone Preamp
The WA-MPX is an authentic reproduction of the most revered microphone tube preamp that pioneered the birth of rock ‘n’ roll & radio-ready hits. During the golden-era of tape recording, this style of vintage tube preamp became the signature sound in the signal chain of hit recordings including Elvis Presley, Les Paul, and Bing Crosby - and is a sound that is still pursued by today’s biggest artists. With premium components, true-to-original circuit design, and tape saturation control, the WA-MPX authentically reproduces all the analogue tone of the original to bring vintage warmth & colour to your sound.
Features:
- Authentic reproduction of the most revered tape-Era tube preamp
- Fully discrete, hand-built construction with 3 tubes per channel for ultimate analogue tone
- Selectable tape saturation adds harmonic distortion & natural compression
- 90db of analogue tube gain per channel
- Custom-wound, Large-Core Cinemag USA transformers
- Premium (2x) 12AX7 & (1x) 12AU7 vacuum tubes
- 600Ω output attenuator
- Engage high-gain control for an added 20db (From 70dB to 90dB) of clean gain for low-output mics and low-volume sources
- 48V phantom power & polarity switch
- Classic warm audio tone control that alters the input transformer impedance, adding extra analogue colour
- 80Hz high-pass filter to control unruly bass frequencies
- 2kHz low-pass filter to focus preamp power & warmth on mids for added punch
- VU Meter Level Indication
Specifications:
- Frequency Response: 20Hz-20kHz
- Mic input: 600Ω transformer (6000Ω rated)
- Mic input with “tone” engaged: 150Ω transformer (1500Ω rated)
- Inputs: XLR Mic, TS Instrument & TRS Line.
- Outputs: XLR / TRS Line Level
- Materials: Aluminium Faceplate, Steel Chassis, & Vintage Bakelite-Style Knobs
- Power: Internal IEC 115v/230v Power Inlet
- Dimensions: 19" x 8 ¾" x 3 ½" / 48.3 cm x 22.2 cm x 8.9 cm
- Weight: 3.7 kg (9.0 lbs)
Original: $904.49
-65%$904.49
$316.57More Images



Warm Audio WA-MPX Tube Microphone Preamp
The WA-MPX is an authentic reproduction of the most revered microphone tube preamp that pioneered the birth of rock ‘n’ roll & radio-ready hits. During the golden-era of tape recording, this style of vintage tube preamp became the signature sound in the signal chain of hit recordings including Elvis Presley, Les Paul, and Bing Crosby - and is a sound that is still pursued by today’s biggest artists. With premium components, true-to-original circuit design, and tape saturation control, the WA-MPX authentically reproduces all the analogue tone of the original to bring vintage warmth & colour to your sound.
Features:
- Authentic reproduction of the most revered tape-Era tube preamp
- Fully discrete, hand-built construction with 3 tubes per channel for ultimate analogue tone
- Selectable tape saturation adds harmonic distortion & natural compression
- 90db of analogue tube gain per channel
- Custom-wound, Large-Core Cinemag USA transformers
- Premium (2x) 12AX7 & (1x) 12AU7 vacuum tubes
- 600Ω output attenuator
- Engage high-gain control for an added 20db (From 70dB to 90dB) of clean gain for low-output mics and low-volume sources
- 48V phantom power & polarity switch
- Classic warm audio tone control that alters the input transformer impedance, adding extra analogue colour
- 80Hz high-pass filter to control unruly bass frequencies
- 2kHz low-pass filter to focus preamp power & warmth on mids for added punch
- VU Meter Level Indication
Specifications:
- Frequency Response: 20Hz-20kHz
- Mic input: 600Ω transformer (6000Ω rated)
- Mic input with “tone” engaged: 150Ω transformer (1500Ω rated)
- Inputs: XLR Mic, TS Instrument & TRS Line.
- Outputs: XLR / TRS Line Level
- Materials: Aluminium Faceplate, Steel Chassis, & Vintage Bakelite-Style Knobs
- Power: Internal IEC 115v/230v Power Inlet
- Dimensions: 19" x 8 ¾" x 3 ½" / 48.3 cm x 22.2 cm x 8.9 cm
- Weight: 3.7 kg (9.0 lbs)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The WA-MPX is an authentic reproduction of the most revered microphone tube preamp that pioneered the birth of rock ‘n’ roll & radio-ready hits. During the golden-era of tape recording, this style of vintage tube preamp became the signature sound in the signal chain of hit recordings including Elvis Presley, Les Paul, and Bing Crosby - and is a sound that is still pursued by today’s biggest artists. With premium components, true-to-original circuit design, and tape saturation control, the WA-MPX authentically reproduces all the analogue tone of the original to bring vintage warmth & colour to your sound.
Features:
- Authentic reproduction of the most revered tape-Era tube preamp
- Fully discrete, hand-built construction with 3 tubes per channel for ultimate analogue tone
- Selectable tape saturation adds harmonic distortion & natural compression
- 90db of analogue tube gain per channel
- Custom-wound, Large-Core Cinemag USA transformers
- Premium (2x) 12AX7 & (1x) 12AU7 vacuum tubes
- 600Ω output attenuator
- Engage high-gain control for an added 20db (From 70dB to 90dB) of clean gain for low-output mics and low-volume sources
- 48V phantom power & polarity switch
- Classic warm audio tone control that alters the input transformer impedance, adding extra analogue colour
- 80Hz high-pass filter to control unruly bass frequencies
- 2kHz low-pass filter to focus preamp power & warmth on mids for added punch
- VU Meter Level Indication
Specifications:
- Frequency Response: 20Hz-20kHz
- Mic input: 600Ω transformer (6000Ω rated)
- Mic input with “tone” engaged: 150Ω transformer (1500Ω rated)
- Inputs: XLR Mic, TS Instrument & TRS Line.
- Outputs: XLR / TRS Line Level
- Materials: Aluminium Faceplate, Steel Chassis, & Vintage Bakelite-Style Knobs
- Power: Internal IEC 115v/230v Power Inlet
- Dimensions: 19" x 8 ¾" x 3 ½" / 48.3 cm x 22.2 cm x 8.9 cm
- Weight: 3.7 kg (9.0 lbs)

















